Finding the Fourth Proportional to 70,666,207.68, 97,516,524.60 and 39,725,717.52
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Solution
The fourth proportional to 70,666,207.68, 97,516,524.60 and 39,725,717.52 is: 54,819,892.52
Step by Step Solution
- Step 1: Write the proportion equation
70,666,207.68 : 97,516,524.60 = 39,725,717.52 : x - Step 2: Convert to fraction form
70,666,207.68/97,516,524.60 = 39,725,717.52/x - Step 3: Cross multiply
70,666,207.68x = 97,516,524.60 × 39,725,717.52 - Step 4: Simplify right side
70,666,207.68x = 3,873,913,909,791,731 - Step 5: Solve for x
x = 3,873,913,909,791,731/70,666,207.68 - Step 6: Final answer
x = 54,819,892.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.